Massage cushion



FIG. 1 is perspective view of the disclosed massage cushion;

FIG. 2 is a side view of the disclosed massage cushion;

FIG. 3 is a top view of the disclosed massage cushion;

FIG. 4 is a front view of the disclosed massage cushion;

FIG. 5 is a rear view of the disclosed massage cushion; and,

FIG. 6 is a bottom view of the disclosed massage cushion.

The broken lines immediately adjacent to the shading areas represent bounds of the claimed design while all other broken lines are for illustrating environmental structure: the broken lines form no part of the claimed design. 

The ornamental design for a massage cushion, as shown and described. 